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subsurface/core/uemis-downloader.c
Berthold Stoeger 6200909ba4 Cleanup: move tag functions into own translation unit 
Make dive.h a bit slimmer. It's only a drop in the bucket - but at
least when modifying tag functions not the *whole* application is
rebuilt anymore.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-06-19 13:11:10 -07:00

1504 lines
46 KiB
C
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// SPDX-License-Identifier: GPL-2.0
/*
* uemis-downloader.c
*
* Copyright (c) Dirk Hohndel <dirk@hohndel.org>
* released under GPL2
*
* very (VERY) loosely based on the algorithms found in Java code by Fabian Gast <fgast@only640k.net>
* which was released under the BSD-STYLE BEER WARE LICENSE
* I believe that I only used the information about HOW to do this (download data from the Uemis
* Zurich) but did not actually use any of his copyrighted code, therefore the license under which
* he released his code does not apply to this new implementation in C
*
* Modified by Guido Lerch guido.lerch@gmail.com in August 2015
*/
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "gettext.h"
#include "libdivecomputer.h"
#include "uemis.h"
#include "divelist.h"
#include "divesite.h"
#include "tag.h"
#include "core/subsurface-string.h"
#define ERR_FS_ALMOST_FULL QT_TRANSLATE_NOOP("gettextFromC", "Uemis Zurich: the file system is almost full.\nDisconnect/reconnect the dive computer\nand click \'Retry\'")
#define ERR_FS_FULL QT_TRANSLATE_NOOP("gettextFromC", "Uemis Zurich: the file system is full.\nDisconnect/reconnect the dive computer\nand click Retry")
#define ERR_FS_SHORT_WRITE QT_TRANSLATE_NOOP("gettextFromC", "Short write to req.txt file.\nIs the Uemis Zurich plugged in correctly?")
#define ERR_NO_FILES QT_TRANSLATE_NOOP("gettextFromC", "No dives to download.")
#define BUFLEN 2048
#define BUFLEN 2048
#define NUM_PARAM_BUFS 10
// debugging setup
// #define UEMIS_DEBUG 1 + 2 + 4 + 8 + 16 + 32
#define UEMIS_MAX_FILES 4000
#define UEMIS_MEM_FULL 1
#define UEMIS_MEM_OK 0
#define UEMIS_SPOT_BLOCK_SIZE 1
#define UEMIS_DIVE_DETAILS_SIZE 2
#define UEMIS_LOG_BLOCK_SIZE 10
#define UEMIS_CHECK_LOG 1
#define UEMIS_CHECK_DETAILS 2
#define UEMIS_CHECK_SINGLE_DIVE 3
#if UEMIS_DEBUG
const char *home, *user, *d_time;
static int debug_round = 0;
#define debugfile stderr
#endif
#if UEMIS_DEBUG & 64 /* we are reading from a copy of the filesystem, not the device - no need to wait */
#define UEMIS_TIMEOUT 50 /* 50ns */
#define UEMIS_LONG_TIMEOUT 500 /* 500ns */
#define UEMIS_MAX_TIMEOUT 2000 /* 2ms */
#else
#define UEMIS_TIMEOUT 50000 /* 50ms */
#define UEMIS_LONG_TIMEOUT 500000 /* 500ms */
#define UEMIS_MAX_TIMEOUT 2000000 /* 2s */
#endif
static char *param_buff[NUM_PARAM_BUFS];
static char *reqtxt_path;
static int reqtxt_file;
static int filenr;
static int number_of_files;
static char *mbuf = NULL;
static int mbuf_size = 0;
static int max_mem_used = -1;
static int next_table_index = 0;
static int dive_to_read = 0;
static uint32_t mindiveid;
/* Linked list to remember already executed divespot download requests */
struct divespot_mapping {
int divespot_id;
struct dive_site *dive_site;
struct divespot_mapping *next;
};
static struct divespot_mapping *divespot_mapping = NULL;
static void erase_divespot_mapping()
{
struct divespot_mapping *tmp;
while (divespot_mapping != NULL) {
tmp = divespot_mapping;
divespot_mapping = tmp->next;
free(tmp);
}
divespot_mapping = NULL;
}
static void add_to_divespot_mapping(int divespot_id, struct dive_site *ds)
{
struct divespot_mapping *ndm = (struct divespot_mapping*)calloc(1, sizeof(struct divespot_mapping));
struct divespot_mapping **pdm = &divespot_mapping;
struct divespot_mapping *cdm = *pdm;
while (cdm && cdm->next)
cdm = cdm->next;
ndm->divespot_id = divespot_id;
ndm->dive_site = ds;
ndm->next = NULL;
if (cdm)
cdm->next = ndm;
else
cdm = *pdm = ndm;
}
static bool is_divespot_mappable(int divespot_id)
{
struct divespot_mapping *dm = divespot_mapping;
while (dm) {
if (dm->divespot_id == divespot_id)
return true;
dm = dm->next;
}
return false;
}
static struct dive_site *get_dive_site_by_divespot_id(int divespot_id)
{
struct divespot_mapping *dm = divespot_mapping;
while (dm) {
if (dm->divespot_id == divespot_id)
return dm->dive_site;
dm = dm->next;
}
return NULL;
}
/* helper function to parse the Uemis data structures */
static void uemis_ts(char *buffer, void *_when)
{
struct tm tm;
timestamp_t *when = _when;
memset(&tm, 0, sizeof(tm));
sscanf(buffer, "%d-%d-%dT%d:%d:%d",
&tm.tm_year, &tm.tm_mon, &tm.tm_mday,
&tm.tm_hour, &tm.tm_min, &tm.tm_sec);
tm.tm_mon -= 1;
*when = utc_mktime(&tm);
}
/* float minutes */
static void uemis_duration(char *buffer, duration_t *duration)
{
duration->seconds = lrint(ascii_strtod(buffer, NULL) * 60);
}
/* int cm */
static void uemis_depth(char *buffer, depth_t *depth)
{
depth->mm = atoi(buffer) * 10;
}
static void uemis_get_index(char *buffer, int *idx)
{
*idx = atoi(buffer);
}
/* space separated */
static void uemis_add_string(const char *buffer, char **text, const char *delimit)
{
/* do nothing if this is an empty buffer (Uemis sometimes returns a single
* space for empty buffers) */
if (empty_string(buffer) || (*buffer == ' ' && *(buffer + 1) == '\0'))
return;
if (!*text) {
*text = strdup(buffer);
} else {
char *buf = malloc(strlen(buffer) + strlen(*text) + 2);
strcpy(buf, *text);
strcat(buf, delimit);
strcat(buf, buffer);
free(*text);
*text = buf;
}
}
/* still unclear if it ever reports lbs */
static void uemis_get_weight(char *buffer, weightsystem_t *weight, int diveid)
{
weight->weight.grams = uemis_get_weight_unit(diveid) ?
lbs_to_grams(ascii_strtod(buffer, NULL)) :
lrint(ascii_strtod(buffer, NULL) * 1000);
weight->description = strdup(translate("gettextFromC", "unknown"));
}
static struct dive *uemis_start_dive(uint32_t deviceid)
{
struct dive *dive = alloc_dive();
dive->dc.model = strdup("Uemis Zurich");
dive->dc.deviceid = deviceid;
return dive;
}
static struct dive *get_dive_by_uemis_diveid(device_data_t *devdata, uint32_t object_id)
{
for (int i = 0; i < devdata->download_table->nr; i++) {
if (object_id == devdata->download_table->dives[i]->dc.diveid)
return devdata->download_table->dives[i];
}
return NULL;
}
/* send text to the importer progress bar */
static void uemis_info(const char *fmt, ...)
{
static char buffer[256];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
progress_bar_text = buffer;
if (verbose)
fprintf(stderr, "Uemis downloader: %s\n", buffer);
}
static long bytes_available(int file)
{
long result;
long now = lseek(file, 0, SEEK_CUR);
if (now == -1)
return 0;
result = lseek(file, 0, SEEK_END);
lseek(file, now, SEEK_SET);
if (now == -1 || result == -1)
return 0;
return result;
}
static int number_of_file(char *path)
{
int count = 0;
#ifdef WIN32
struct _wdirent *entry;
_WDIR *dirp = (_WDIR *)subsurface_opendir(path);
#else
struct dirent *entry;
DIR *dirp = (DIR *)subsurface_opendir(path);
#endif
while (dirp) {
#ifdef WIN32
entry = _wreaddir(dirp);
if (!entry)
break;
#else
entry = readdir(dirp);
if (!entry)
break;
if (strstr(entry->d_name, ".TXT") || strstr(entry->d_name, ".txt")) /* If the entry is a regular file */
#endif
count++;
}
#ifdef WIN32
_wclosedir(dirp);
#else
closedir(dirp);
#endif
return count;
}
static char *build_filename(const char *path, const char *name)
{
int len = strlen(path) + strlen(name) + 2;
char *buf = malloc(len);
#if WIN32
snprintf(buf, len, "%s\\%s", path, name);
#else
snprintf(buf, len, "%s/%s", path, name);
#endif
return buf;
}
/* Check if there's a req.txt file and get the starting filenr from it.
* Test for the maximum number of ANS files (I believe this is always
* 4000 but in case there are differences depending on firmware, this
* code is easy enough */
static bool uemis_init(const char *path)
{
char *ans_path;
int i;
erase_divespot_mapping();
if (!path)
return false;
/* let's check if this is indeed a Uemis DC */
reqtxt_path = build_filename(path, "req.txt");
reqtxt_file = subsurface_open(reqtxt_path, O_RDONLY | O_CREAT, 0666);
if (reqtxt_file < 0) {
#if UEMIS_DEBUG & 1
fprintf(debugfile, ":EE req.txt can't be opened\n");
#endif
return false;
}
if (bytes_available(reqtxt_file) > 5) {
char tmp[6];
if (read(reqtxt_file, tmp, 5) != 5)
return false;
tmp[5] = '\0';
#if UEMIS_DEBUG & 2
fprintf(debugfile, "::r req.txt \"%s\"\n", tmp);
#endif
if (sscanf(tmp + 1, "%d", &filenr) != 1)
return false;
} else {
filenr = 0;
#if UEMIS_DEBUG & 2
fprintf(debugfile, "::r req.txt skipped as there were fewer than 5 bytes\n");
#endif
}
close(reqtxt_file);
/* It would be nice if we could simply go back to the first set of
* ANS files. But with a FAT filesystem that isn't possible */
ans_path = build_filename(path, "ANS");
number_of_files = number_of_file(ans_path);
free(ans_path);
/* initialize the array in which we collect the answers */
for (i = 0; i < NUM_PARAM_BUFS; i++)
param_buff[i] = "";
return true;
}
static void str_append_with_delim(char *s, char *t)
{
int len = strlen(s);
snprintf(s + len, BUFLEN - len, "%s{", t);
}
/* The communication protocol with the DC is truly funky.
* After you write your request to the req.txt file you call this function.
* It writes the number of the next ANS file at the beginning of the req.txt
* file (prefixed by 'n' or 'r') and then again at the very end of it, after
* the full request (this time without the prefix).
* Then it syncs (not needed on Windows) and closes the file. */
static void trigger_response(int file, char *command, int nr, long tailpos)
{
char fl[10];
snprintf(fl, 8, "%s%04d", command, nr);
#if UEMIS_DEBUG & 4
fprintf(debugfile, ":tr %s (after seeks)\n", fl);
#endif
if (lseek(file, 0, SEEK_SET) == -1)
goto fs_error;
if (write(file, fl, strlen(fl)) == -1)
goto fs_error;
if (lseek(file, tailpos, SEEK_SET) == -1)
goto fs_error;
if (write(file, fl + 1, strlen(fl + 1)) == -1)
goto fs_error;
#ifndef WIN32
fsync(file);
#endif
fs_error:
close(file);
}
static char *next_token(char **buf)
{
char *q, *p = strchr(*buf, '{');
if (p)
*p = '\0';
else
p = *buf + strlen(*buf) - 1;
q = *buf;
*buf = p + 1;
return q;
}
/* poor man's tokenizer that understands a quoted delimiter ('{') */
static char *next_segment(char *buf, int *offset, int size)
{
int i = *offset;
int seg_size;
bool done = false;
char *segment;
while (!done) {
if (i < size) {
if (i < size - 1 && buf[i] == '\\' &&
(buf[i + 1] == '\\' || buf[i + 1] == '{'))
memcpy(buf + i, buf + i + 1, size - i - 1);
else if (buf[i] == '{')
done = true;
i++;
} else {
done = true;
}
}
seg_size = i - *offset - 1;
if (seg_size < 0)
seg_size = 0;
segment = malloc(seg_size + 1);
memcpy(segment, buf + *offset, seg_size);
segment[seg_size] = '\0';
*offset = i;
return segment;
}
/* a dynamically growing buffer to store the potentially massive responses.
* The binary data block can be more than 100k in size (base64 encoded) */
static void buffer_add(char **buffer, int *buffer_size, char *buf)
{
if (!buf)
return;
if (!*buffer) {
*buffer = strdup(buf);
*buffer_size = strlen(*buffer) + 1;
} else {
*buffer_size += strlen(buf);
*buffer = realloc(*buffer, *buffer_size);
strcat(*buffer, buf);
}
#if UEMIS_DEBUG & 8
fprintf(debugfile, "added \"%s\" to buffer - new length %d\n", buf, *buffer_size);
#endif
}
/* are there more ANS files we can check? */
static bool next_file(int max)
{
if (filenr >= max)
return false;
filenr++;
return true;
}
/* try and do a quick decode - without trying to get to fancy in case the data
* straddles a block boundary...
* we are parsing something that looks like this:
* object_id{int{2{date{ts{2011-04-05T12:38:04{duration{float{12.000...
*/
static char *first_object_id_val(char *buf)
{
char *object, *bufend;
if (!buf)
return NULL;
bufend = buf + strlen(buf);
object = strstr(buf, "object_id");
if (object && object + 14 < bufend) {
/* get the value */
char tmp[36];
char *p = object + 14;
char *t = tmp;
#if UEMIS_DEBUG & 4
char debugbuf[50];
strncpy(debugbuf, object, 49);
debugbuf[49] = '\0';
fprintf(debugfile, "buf |%s|\n", debugbuf);
#endif
while (p < bufend && *p != '{' && t < tmp + 9)
*t++ = *p++;
if (*p == '{') {
/* found the object_id - let's quickly look for the date */
if (strncmp(p, "{date{ts{", 9) == 0 && strstr(p, "{duration{") != NULL) {
/* cool - that was easy */
*t++ = ',';
*t++ = ' ';
/* skip the 9 characters we just found and take the date, ignoring the seconds
* and replace the silly 'T' in the middle with a space */
strncpy(t, p + 9, 16);
if (*(t + 10) == 'T')
*(t + 10) = ' ';
t += 16;
}
*t = '\0';
return strdup(tmp);
}
}
return NULL;
}
/* ultra-simplistic; it doesn't deal with the case when the object_id is
* split across two chunks. It also doesn't deal with the discrepancy between
* object_id and dive number as understood by the dive computer */
static void show_progress(char *buf, const char *what)
{
char *val = first_object_id_val(buf);
if (val) {
/* let the user know what we are working on */
#if UEMIS_DEBUG & 8
fprintf(debugfile, "reading %s\n %s\n %s\n", what, val, buf);
#endif
uemis_info(translate("gettextFromC", "%s %s"), what, val);
free(val);
}
}
static void uemis_increased_timeout(int *timeout)
{
if (*timeout < UEMIS_MAX_TIMEOUT)
*timeout += UEMIS_LONG_TIMEOUT;
usleep(*timeout);
}
static char *build_ans_path(const char *path, int filenumber)
{
char *intermediate, *ans_path, fl[13];
/* Clamp filenumber into the 0..9999 range. This is never necessary,
* as filenumber can never go above UEMIS_MAX_FILES, but gcc doesn't
* recognize that and produces very noisy warnings. */
filenumber = filenumber < 0 ? 0 : filenumber % 10000;
snprintf(fl, 13, "ANS%d.TXT", filenumber);
intermediate = build_filename(path, "ANS");
ans_path = build_filename(intermediate, fl);
free(intermediate);
return ans_path;
}
/* send a request to the dive computer and collect the answer */
static bool uemis_get_answer(const char *path, char *request, int n_param_in,
int n_param_out, const char **error_text)
{
int i = 0, file_length;
char sb[BUFLEN];
char fl[13];
char tmp[101];
const char *what = translate("gettextFromC", "data");
bool searching = true;
bool assembling_mbuf = false;
bool ismulti = false;
bool found_answer = false;
bool more_files = true;
bool answer_in_mbuf = false;
char *ans_path;
int ans_file;
int timeout = UEMIS_LONG_TIMEOUT;
reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666);
if (reqtxt_file < 0) {
*error_text = "can't open req.txt";
#ifdef UEMIS_DEBUG
fprintf(debugfile, "open %s failed with errno %d\n", reqtxt_path, errno);
#endif
return false;
}
snprintf(sb, BUFLEN, "n%04d12345678", filenr);
str_append_with_delim(sb, request);
for (i = 0; i < n_param_in; i++)
str_append_with_delim(sb, param_buff[i]);
if (!strcmp(request, "getDivelogs") || !strcmp(request, "getDeviceData") || !strcmp(request, "getDirectory") ||
!strcmp(request, "getDivespot") || !strcmp(request, "getDive")) {
answer_in_mbuf = true;
str_append_with_delim(sb, "");
if (!strcmp(request, "getDivelogs"))
what = translate("gettextFromC", "dive log #");
else if (!strcmp(request, "getDivespot"))
what = translate("gettextFromC", "dive spot #");
else if (!strcmp(request, "getDive"))
what = translate("gettextFromC", "details for #");
}
str_append_with_delim(sb, "");
file_length = strlen(sb);
snprintf(fl, 10, "%08d", file_length - 13);
memcpy(sb + 5, fl, strlen(fl));
#if UEMIS_DEBUG & 4
fprintf(debugfile, "::w req.txt \"%s\"\n", sb);
#endif
int written = write(reqtxt_file, sb, strlen(sb));
if (written == -1 || (size_t)written != strlen(sb)) {
*error_text = translate("gettextFromC", ERR_FS_SHORT_WRITE);
return false;
}
if (!next_file(number_of_files)) {
*error_text = translate("gettextFromC", ERR_FS_FULL);
more_files = false;
}
trigger_response(reqtxt_file, "n", filenr, file_length);
usleep(timeout);
free(mbuf);
mbuf = NULL;
mbuf_size = 0;
while (searching || assembling_mbuf) {
if (import_thread_cancelled)
return false;
progress_bar_fraction = filenr / (double)UEMIS_MAX_FILES;
ans_path = build_ans_path(path, filenr - 1);
ans_file = subsurface_open(ans_path, O_RDONLY, 0666);
if (ans_file < 0) {
*error_text = "can't open Uemis response file";
#ifdef UEMIS_DEBUG
fprintf(debugfile, "open %s failed with errno %d\n", ans_path, errno);
#endif
free(ans_path);
return false;
}
if (read(ans_file, tmp, 100) < 0) {
free(ans_path);
return false;
}
close(ans_file);
#if UEMIS_DEBUG & 8
tmp[100] = '\0';
fprintf(debugfile, "::t %s \"%s\"\n", ans_path, tmp);
#elif UEMIS_DEBUG & 4
char pbuf[4];
pbuf[0] = tmp[0];
pbuf[1] = tmp[1];
pbuf[2] = tmp[2];
pbuf[3] = 0;
fprintf(debugfile, "::t %s \"%s...\"\n", ans_path, pbuf);
#endif
free(ans_path);
if (tmp[0] == '1') {
searching = false;
if (tmp[1] == 'm') {
assembling_mbuf = true;
ismulti = true;
}
if (tmp[2] == 'e')
assembling_mbuf = false;
if (assembling_mbuf) {
if (!next_file(number_of_files)) {
*error_text = translate("gettextFromC", ERR_FS_FULL);
more_files = false;
assembling_mbuf = false;
}
reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666);
if (reqtxt_file < 0) {
*error_text = "can't open req.txt";
fprintf(stderr, "open %s failed with errno %d\n", reqtxt_path, errno);
return false;
}
trigger_response(reqtxt_file, "n", filenr, file_length);
}
} else {
if (!next_file(number_of_files - 1)) {
*error_text = translate("gettextFromC", ERR_FS_FULL);
more_files = false;
assembling_mbuf = false;
searching = false;
}
reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666);
if (reqtxt_file < 0) {
*error_text = "can't open req.txt";
fprintf(stderr, "open %s failed with errno %d\n", reqtxt_path, errno);
return false;
}
trigger_response(reqtxt_file, "r", filenr, file_length);
uemis_increased_timeout(&timeout);
}
if (ismulti && more_files && tmp[0] == '1') {
int size;
ans_path = build_ans_path(path, assembling_mbuf ? filenr - 2 : filenr - 1);
ans_file = subsurface_open(ans_path, O_RDONLY, 0666);
if (ans_file < 0) {
*error_text = "can't open Uemis response file";
#ifdef UEMIS_DEBUG
fprintf(debugfile, "open %s failed with errno %d\n", ans_path, errno);
#endif
free(ans_path);
return false;
}
free(ans_path);
size = bytes_available(ans_file);
if (size > 3) {
char *buf;
int r;
if (lseek(ans_file, 3, SEEK_CUR) == -1)
goto fs_error;
buf = malloc(size - 2);
if ((r = read(ans_file, buf, size - 3)) != size - 3) {
free(buf);
goto fs_error;
}
buf[r] = '\0';
buffer_add(&mbuf, &mbuf_size, buf);
show_progress(buf, what);
free(buf);
param_buff[3]++;
}
close(ans_file);
timeout = UEMIS_TIMEOUT;
usleep(UEMIS_TIMEOUT);
}
}
if (more_files) {
int size = 0, j = 0;
char *buf = NULL;
if (!ismulti) {
ans_path = build_ans_path(path, filenr - 1);
ans_file = subsurface_open(ans_path, O_RDONLY, 0666);
if (ans_file < 0) {
*error_text = "can't open Uemis response file";
#ifdef UEMIS_DEBUG
fprintf(debugfile, "open %s failed with errno %d\n", ans_path, errno);
#endif
free(ans_path);
return false;
}
size = bytes_available(ans_file);
if (size > 3) {
int r;
if (lseek(ans_file, 3, SEEK_CUR) == -1)
goto fs_error;
buf = malloc(size - 2);
if ((r = read(ans_file, buf, size - 3)) != size - 3) {
free(buf);
goto fs_error;
}
buf[r] = '\0';
buffer_add(&mbuf, &mbuf_size, buf);
show_progress(buf, what);
#if UEMIS_DEBUG & 8
fprintf(debugfile, "::r %s \"%s\"\n", ans_path, buf);
#endif
}
size -= 3;
free(ans_path);
close(ans_file);
} else {
ismulti = false;
}
#if UEMIS_DEBUG & 8
fprintf(debugfile, ":r: %s\n", buf);
#endif
if (!answer_in_mbuf)
for (i = 0; i < n_param_out && j < size; i++)
param_buff[i] = next_segment(buf, &j, size);
found_answer = true;
free(buf);
}
#if UEMIS_DEBUG & 1
for (i = 0; i < n_param_out; i++)
fprintf(debugfile, "::: %d: %s\n", i, param_buff[i]);
#endif
return found_answer;
fs_error:
close(ans_file);
return false;
}
static bool parse_divespot(char *buf)
{
char *bp = buf + 1;
char *tp = next_token(&bp);
char *tag, *type, *val;
char locationstring[1024] = "";
int divespot, len;
double latitude = 0.0, longitude = 0.0;
// dive spot got deleted, so fail here
if (strstr(bp, "deleted{bool{true"))
return false;
// not a dive spot, fail here
if (strcmp(tp, "divespot"))
return false;
do
tag = next_token(&bp);
while (*tag && strcmp(tag, "object_id"));
if (!*tag)
return false;
next_token(&bp);
val = next_token(&bp);
divespot = atoi(val);
do {
tag = next_token(&bp);
type = next_token(&bp);
val = next_token(&bp);
if (!strcmp(type, "string") && *val && strcmp(val, " ")) {
len = strlen(locationstring);
snprintf(locationstring + len, sizeof(locationstring) - len,
"%s%s", len ? ", " : "", val);
} else if (!strcmp(type, "float")) {
if (!strcmp(tag, "longitude"))
longitude = ascii_strtod(val, NULL);
else if (!strcmp(tag, "latitude"))
latitude = ascii_strtod(val, NULL);
}
} while (tag && *tag);
uemis_set_divelocation(divespot, locationstring, longitude, latitude);
return true;
}
static char *suit[] = {"", QT_TRANSLATE_NOOP("gettextFromC", "wetsuit"), QT_TRANSLATE_NOOP("gettextFromC", "semidry"), QT_TRANSLATE_NOOP("gettextFromC", "drysuit")};
static char *suit_type[] = {"", QT_TRANSLATE_NOOP("gettextFromC", "shorty"), QT_TRANSLATE_NOOP("gettextFromC", "vest"), QT_TRANSLATE_NOOP("gettextFromC", "long john"), QT_TRANSLATE_NOOP("gettextFromC", "jacket"), QT_TRANSLATE_NOOP("gettextFromC", "full suit"), QT_TRANSLATE_NOOP("gettextFromC", "2 pcs full suit")};
static char *suit_thickness[] = {"", "0.5-2mm", "2-3mm", "3-5mm", "5-7mm", "8mm+", QT_TRANSLATE_NOOP("gettextFromC", "membrane")};
static void parse_tag(struct dive *dive, char *tag, char *val)
{
/* we can ignore computer_id, water and gas as those are redundant
* with the binary data and would just get overwritten */
#if UEMIS_DEBUG & 4
if (strcmp(tag, "file_content"))
fprintf(debugfile, "Adding to dive %d : %s = %s\n", dive->dc.diveid, tag, val);
#endif
if (!strcmp(tag, "date")) {
uemis_ts(val, &dive->when);
} else if (!strcmp(tag, "duration")) {
uemis_duration(val, &dive->dc.duration);
} else if (!strcmp(tag, "depth")) {
uemis_depth(val, &dive->dc.maxdepth);
} else if (!strcmp(tag, "file_content")) {
uemis_parse_divelog_binary(val, dive);
} else if (!strcmp(tag, "altitude")) {
uemis_get_index(val, &dive->dc.surface_pressure.mbar);
} else if (!strcmp(tag, "f32Weight")) {
uemis_get_weight(val, &dive->weightsystem[0], dive->dc.diveid);
} else if (!strcmp(tag, "notes")) {
uemis_add_string(val, &dive->notes, " ");
} else if (!strcmp(tag, "u8DiveSuit")) {
if (*suit[atoi(val)])
uemis_add_string(translate("gettextFromC", suit[atoi(val)]), &dive->suit, " ");
} else if (!strcmp(tag, "u8DiveSuitType")) {
if (*suit_type[atoi(val)])
uemis_add_string(translate("gettextFromC", suit_type[atoi(val)]), &dive->suit, " ");
} else if (!strcmp(tag, "u8SuitThickness")) {
if (*suit_thickness[atoi(val)])
uemis_add_string(translate("gettextFromC", suit_thickness[atoi(val)]), &dive->suit, " ");
} else if (!strcmp(tag, "nickname")) {
uemis_add_string(val, &dive->buddy, ",");
}
}
static bool uemis_delete_dive(device_data_t *devdata, uint32_t diveid)
{
struct dive *dive = NULL;
if (devdata->download_table->dives[devdata->download_table->nr - 1]->dc.diveid == diveid) {
/* we hit the last one in the array */
dive = devdata->download_table->dives[devdata->download_table->nr - 1];
} else {
for (int i = 0; i < devdata->download_table->nr - 1; i++) {
if (devdata->download_table->dives[i]->dc.diveid == diveid) {
dive = devdata->download_table->dives[i];
for (int x = i; x < devdata->download_table->nr - 1; x++)
devdata->download_table->dives[i] = devdata->download_table->dives[x + 1];
}
}
}
if (dive) {
devdata->download_table->dives[--devdata->download_table->nr] = NULL;
free(dive->dc.sample);
free((void *)dive->notes);
free((void *)dive->divemaster);
free((void *)dive->buddy);
free((void *)dive->suit);
taglist_free(dive->tag_list);
free(dive);
return true;
}
return false;
}
/* This function is called for both dive log and dive information that we get
* from the SDA (what an insane design, btw). The object_id in the dive log
* matches the logfilenr in the dive information (which has its own, often
* different object_id) - we use this as the diveid.
* We create the dive when parsing the dive log and then later, when we parse
* the dive information we locate the already created dive via its diveid.
* Most things just get parsed and converted into our internal data structures,
* but the dive location API is even more crazy. We just get an id that is an
* index into yet another data store that we read out later. In order to
* correctly populate the location and gps data from that we need to remember
* the addresses of those fields for every dive that references the dive spot. */
static bool process_raw_buffer(device_data_t *devdata, uint32_t deviceid, char *inbuf, char **max_divenr, int *for_dive)
{
char *buf = strdup(inbuf);
char *tp, *bp, *tag, *type, *val;
bool done = false;
int inbuflen = strlen(inbuf);
char *endptr = buf + inbuflen;
bool is_log = false, is_dive = false;
char *sections[10];
size_t s, nr_sections = 0;
struct dive *dive = NULL;
char dive_no[10];
#if UEMIS_DEBUG & 8
fprintf(debugfile, "p_r_b %s\n", inbuf);
#endif
if (for_dive)
*for_dive = -1;
bp = buf + 1;
tp = next_token(&bp);
if (strcmp(tp, "divelog") == 0) {
/* this is a dive log */
is_log = true;
tp = next_token(&bp);
/* is it a valid entry or nothing ? */
if (strcmp(tp, "1.0") != 0 || strstr(inbuf, "divelog{1.0{{{{")) {
free(buf);
return false;
}
} else if (strcmp(tp, "dive") == 0) {
/* this is dive detail */
is_dive = true;
tp = next_token(&bp);
if (strcmp(tp, "1.0") != 0) {
free(buf);
return false;
}
} else {
/* don't understand the buffer */
free(buf);
return false;
}
if (is_log) {
dive = uemis_start_dive(deviceid);
} else {
/* remember, we don't know if this is the right entry,
* so first test if this is even a valid entry */
if (strstr(inbuf, "deleted{bool{true")) {
#if UEMIS_DEBUG & 2
fprintf(debugfile, "p_r_b entry deleted\n");
#endif
/* oops, this one isn't valid, suggest to try the previous one */
free(buf);
return false;
}
/* quickhack and workaround to capture the original dive_no
* I am doing this so I don't have to change the original design
* but when parsing a dive we never parse the dive number because
* at the time it's being read the *dive variable is not set because
* the dive_no tag comes before the object_id in the uemis ans file
*/
dive_no[0] = '\0';
char *dive_no_buf = strdup(inbuf);
char *dive_no_ptr = strstr(dive_no_buf, "dive_no{int{") + 12;
if (dive_no_ptr) {
char *dive_no_end = strstr(dive_no_ptr, "{");
if (dive_no_end) {
*dive_no_end = '\0';
strncpy(dive_no, dive_no_ptr, 9);
dive_no[9] = '\0';
}
}
free(dive_no_buf);
}
while (!done) {
/* the valid buffer ends with a series of delimiters */
if (bp >= endptr - 2 || !strcmp(bp, "{{"))
break;
tag = next_token(&bp);
/* we also end if we get an empty tag */
if (*tag == '\0')
break;
for (s = 0; s < nr_sections; s++)
if (!strcmp(tag, sections[s])) {
tag = next_token(&bp);
break;
}
type = next_token(&bp);
if (!strcmp(type, "1.0")) {
/* this tells us the sections that will follow; the tag here
* is of the format dive-<section> */
sections[nr_sections] = strchr(tag, '-') + 1;
#if UEMIS_DEBUG & 4
fprintf(debugfile, "Expect to find section %s\n", sections[nr_sections]);
#endif
if (nr_sections < sizeof(sections) / sizeof(*sections) - 1)
nr_sections++;
continue;
}
val = next_token(&bp);
#if UEMIS_DEBUG & 8
if (strlen(val) < 20)
fprintf(debugfile, "Parsed %s, %s, %s\n*************************\n", tag, type, val);
#endif
if (is_log && strcmp(tag, "object_id") == 0) {
free(*max_divenr);
*max_divenr = strdup(val);
dive->dc.diveid = atoi(val);
#if UEMIS_DEBUG % 2
fprintf(debugfile, "Adding new dive from log with object_id %d.\n", atoi(val));
#endif
} else if (is_dive && strcmp(tag, "logfilenr") == 0) {
/* this one tells us which dive we are adding data to */
dive = get_dive_by_uemis_diveid(devdata, atoi(val));
if (strcmp(dive_no, "0"))
dive->number = atoi(dive_no);
if (for_dive)
*for_dive = atoi(val);
} else if (!is_log && dive && !strcmp(tag, "divespot_id")) {
int divespot_id = atoi(val);
if (divespot_id != -1) {
struct dive_site *ds = create_dive_site("from Uemis", devdata->sites);
unregister_dive_from_dive_site(dive);
add_dive_to_dive_site(dive, ds);
uemis_mark_divelocation(dive->dc.diveid, divespot_id, ds);
}
#if UEMIS_DEBUG & 2
fprintf(debugfile, "Created divesite %d for diveid : %d\n", dive->dive_site->uuid, dive->dc.diveid);
#endif
} else if (dive) {
parse_tag(dive, tag, val);
}
if (is_log && !strcmp(tag, "file_content"))
done = true;
/* done with one dive (got the file_content tag), but there could be more:
* a '{' indicates the end of the record - but we need to see another "{{"
* later in the buffer to know that the next record is complete (it could
* be a short read because of some error */
if (done && ++bp < endptr && *bp != '{' && strstr(bp, "{{")) {
done = false;
record_dive_to_table(dive, devdata->download_table);
mark_divelist_changed(true);
dive = uemis_start_dive(deviceid);
}
}
if (is_log) {
if (dive->dc.diveid) {
record_dive_to_table(dive, devdata->download_table);
mark_divelist_changed(true);
} else { /* partial dive */
free(dive);
free(buf);
return false;
}
}
free(buf);
return true;
}
static char *uemis_get_divenr(char *deviceidstr, struct dive_table *table, int force)
{
uint32_t deviceid, maxdiveid = 0;
int i;
char divenr[10];
deviceid = atoi(deviceidstr);
mindiveid = 0xFFFFFFFF;
/*
* If we are are retrying after a disconnect/reconnect, we
* will look up the highest dive number in the dives we
* already have.
*
* Also, if "force_download" is true, do this even if we
* don't have any dives (maxdiveid will remain ~0).
*
* Otherwise, use the global dive table.
*/
if (!force && !table->nr)
table = &dive_table;
for (i = 0; i < table->nr; i++) {
struct dive *d = table->dives[i];
struct divecomputer *dc;
if (!d)
continue;
for_each_dc (d, dc) {
if (dc->model && !strcmp(dc->model, "Uemis Zurich") &&
(dc->deviceid == 0 || dc->deviceid == 0x7fffffff || dc->deviceid == deviceid)) {
if (dc->diveid > maxdiveid)
maxdiveid = dc->diveid;
if (dc->diveid < mindiveid)
mindiveid = dc->diveid;
}
}
}
snprintf(divenr, 10, "%d", maxdiveid);
return strdup(divenr);
}
#if UEMIS_DEBUG
static int bufCnt = 0;
static bool do_dump_buffer_to_file(char *buf, char *prefix)
{
char path[100];
char date[40];
char obid[40];
bool success;
if (!buf)
return false;
if (strstr(buf, "date{ts{"))
strncpy(date, strstr(buf, "date{ts{"), sizeof(date));
else
strncpy(date, "date{ts{no-date{", sizeof(date));
if (!strstr(buf, "object_id{int{"))
return false;
strncpy(obid, strstr(buf, "object_id{int{"), sizeof(obid));
char *ptr1 = strstr(date, "date{ts{");
char *ptr2 = strstr(obid, "object_id{int{");
char *pdate = next_token(&ptr1);
pdate = next_token(&ptr1);
pdate = next_token(&ptr1);
char *pobid = next_token(&ptr2);
pobid = next_token(&ptr2);
pobid = next_token(&ptr2);
snprintf(path, sizeof(path), "/%s/%s/UEMIS Dump/%s_%s_Uemis_dump_%s_in_round_%d_%d.txt", home, user, prefix, pdate, pobid, debug_round, bufCnt);
int dumpFile = subsurface_open(path, O_RDWR | O_CREAT, 0666);
if (dumpFile == -1)
return false;
success = write(dumpFile, buf, strlen(buf)) == strlen(buf);
close(dumpFile);
bufCnt++;
return success;
}
#endif
/* do some more sophisticated calculations here to try and predict if the next round of
* divelog/divedetail reads will fit into the UEMIS buffer,
* filenr holds now the uemis filenr after having read several logs including the dive details,
* fCapacity will five us the average number of files needed for all currently loaded data
* remember the maximum file usage per dive
* return : UEMIS_MEM_OK if there is enough memory for a full round
* UEMIS_MEM_CRITICAL if the memory is good for reading the dive logs
* UEMIS_MEM_FULL if the memory is exhausted
*/
static int get_memory(struct dive_table *td, int checkpoint)
{
if (td->nr <= 0)
return UEMIS_MEM_OK;
switch (checkpoint) {
case UEMIS_CHECK_LOG:
if (filenr / td->nr > max_mem_used)
max_mem_used = filenr / td->nr;
/* check if a full block of dive logs + dive details and dive spot fit into the UEMIS buffer */
#if UEMIS_DEBUG & 4
fprintf(debugfile, "max_mem_used %d (from td->nr %d) * block_size %d > max_files %d - filenr %d?\n", max_mem_used, td->nr, UEMIS_LOG_BLOCK_SIZE, UEMIS_MAX_FILES, filenr);
#endif
if (max_mem_used * UEMIS_LOG_BLOCK_SIZE > UEMIS_MAX_FILES - filenr)
return UEMIS_MEM_FULL;
break;
case UEMIS_CHECK_DETAILS:
/* check if the next set of dive details and dive spot fit into the UEMIS buffer */
if ((UEMIS_DIVE_DETAILS_SIZE + UEMIS_SPOT_BLOCK_SIZE) * UEMIS_LOG_BLOCK_SIZE > UEMIS_MAX_FILES - filenr)
return UEMIS_MEM_FULL;
break;
case UEMIS_CHECK_SINGLE_DIVE:
if (UEMIS_DIVE_DETAILS_SIZE + UEMIS_SPOT_BLOCK_SIZE > UEMIS_MAX_FILES - filenr)
return UEMIS_MEM_FULL;
break;
}
return UEMIS_MEM_OK;
}
/* we misuse the hidden_by_filter flag to mark a dive as deleted.
* this will be picked up by some cleaning statement later. */
static void do_delete_dives(struct dive_table *td, int idx)
{
for (int x = idx; x < td->nr; x++)
td->dives[x]->hidden_by_filter = true;
}
static bool load_uemis_divespot(const char *mountpath, int divespot_id)
{
char divespotnr[32];
snprintf(divespotnr, sizeof(divespotnr), "%d", divespot_id);
param_buff[2] = divespotnr;
#if UEMIS_DEBUG & 2
fprintf(debugfile, "getDivespot %d\n", divespot_id);
#endif
bool success = uemis_get_answer(mountpath, "getDivespot", 3, 0, NULL);
if (mbuf && success) {
#if UEMIS_DEBUG & 16
do_dump_buffer_to_file(mbuf, "Spot");
#endif
return parse_divespot(mbuf);
}
return false;
}
static void get_uemis_divespot(device_data_t *devdata, const char *mountpath, int divespot_id, struct dive *dive)
{
struct dive_site *nds = dive->dive_site;
if (is_divespot_mappable(divespot_id)) {
struct dive_site *ds = get_dive_site_by_divespot_id(divespot_id);
unregister_dive_from_dive_site(dive);
add_dive_to_dive_site(dive, ds);
} else if (nds && nds->name && strstr(nds->name,"from Uemis")) {
if (load_uemis_divespot(mountpath, divespot_id)) {
/* get the divesite based on the diveid, this should give us
* the newly created site
*/
struct dive_site *ods;
/* with the divesite name we got from parse_dive, that is called on load_uemis_divespot
* we search all existing divesites if we have one with the same name already. The function
* returns the first found which is luckily not the newly created.
*/
ods = get_dive_site_by_name(nds->name, devdata->sites);
if (ods) {
/* if the uuid's are the same, the new site is a duplicate and can be deleted */
if (nds->uuid != ods->uuid) {
delete_dive_site(nds, devdata->sites);
unregister_dive_from_dive_site(dive);
add_dive_to_dive_site(dive, ods);
}
}
add_to_divespot_mapping(divespot_id, dive->dive_site);
} else {
/* if we can't load the dive site details, delete the site we
* created in process_raw_buffer
*/
delete_dive_site(dive->dive_site, devdata->sites);
}
}
}
static bool get_matching_dive(int idx, char *newmax, int *uemis_mem_status, device_data_t *data, const char *mountpath, const char deviceidnr)
{
struct dive *dive = data->download_table->dives[idx];
char log_file_no_to_find[20];
char dive_to_read_buf[10];
bool found = false;
bool found_below = false;
bool found_above = false;
int deleted_files = 0;
int fail_count = 0;
snprintf(log_file_no_to_find, sizeof(log_file_no_to_find), "logfilenr{int{%d", dive->dc.diveid);
#if UEMIS_DEBUG & 2
fprintf(debugfile, "Looking for dive details to go with dive log id %d\n", dive->dc.diveid);
#endif
while (!found) {
if (import_thread_cancelled)
break;
snprintf(dive_to_read_buf, sizeof(dive_to_read_buf), "%d", dive_to_read);
param_buff[2] = dive_to_read_buf;
(void)uemis_get_answer(mountpath, "getDive", 3, 0, NULL);
#if UEMIS_DEBUG & 16
do_dump_buffer_to_file(mbuf, "Dive");
#endif
*uemis_mem_status = get_memory(data->download_table, UEMIS_CHECK_SINGLE_DIVE);
if (*uemis_mem_status == UEMIS_MEM_OK) {
/* if the memory isn's completely full we can try to read more dive log vs. dive details
* UEMIS_MEM_CRITICAL means not enough space for a full round but the dive details
* and the dive spots should fit into the UEMIS memory
* The match we do here is to map the object_id to the logfilenr, we do this
* by iterating through the last set of loaded dive logs and then find the corresponding
* dive with the matching logfilenr */
if (mbuf) {
if (strstr(mbuf, log_file_no_to_find)) {
/* we found the logfilenr that matches our object_id from the dive log we were looking for
* we mark the search successful even if the dive has been deleted. */
found = true;
if (strstr(mbuf, "deleted{bool{true") == NULL) {
process_raw_buffer(data, deviceidnr, mbuf, &newmax, NULL);
/* remember the last log file number as it is very likely that subsequent dives
* have the same or higher logfile number.
* UEMIS unfortunately deletes dives by deleting the dive details and not the logs. */
#if UEMIS_DEBUG & 2
d_time = get_dive_date_c_string(dive->when);
fprintf(debugfile, "Matching dive log id %d from %s with dive details %d\n", dive->dc.diveid, d_time, dive_to_read);
#endif
int divespot_id = uemis_get_divespot_id_by_diveid(dive->dc.diveid);
if (divespot_id >= 0)
get_uemis_divespot(data, mountpath, divespot_id, dive);
} else {
/* in this case we found a deleted file, so let's increment */
#if UEMIS_DEBUG & 2
d_time = get_dive_date_c_string(dive->when);
fprintf(debugfile, "TRY matching dive log id %d from %s with dive details %d but details are deleted\n", dive->dc.diveid, d_time, dive_to_read);
#endif
deleted_files++;
/* mark this log entry as deleted and cleanup later, otherwise we mess up our array */
dive->hidden_by_filter = true;
#if UEMIS_DEBUG & 2
fprintf(debugfile, "Deleted dive from %s, with id %d from table -- newmax is %s\n", d_time, dive->dc.diveid, newmax);
#endif
}
} else {
uint32_t nr_found = 0;
char *logfilenr = strstr(mbuf, "logfilenr");
if (logfilenr && strstr(mbuf, "act{")) {
sscanf(logfilenr, "logfilenr{int{%u", &nr_found);
if (nr_found >= dive->dc.diveid || nr_found == 0) {
found_above = true;
dive_to_read = dive_to_read - 2;
} else {
found_below = true;
}
if (dive_to_read < -1)
dive_to_read = -1;
} else if (!strstr(mbuf, "act{") && ++fail_count == 10) {
if (verbose)
fprintf(stderr, "Uemis downloader: Cannot access dive details - searching from start\n");
dive_to_read = -1;
}
}
}
if (found_above && found_below)
break;
dive_to_read++;
} else {
/* At this point the memory of the UEMIS is full, let's cleanup all dive log files were
* we could not match the details to. */
do_delete_dives(data->download_table, idx);
return false;
}
}
/* decrement iDiveToRead by the amount of deleted entries found to assure
* we are not missing any valid matches when processing subsequent logs */
dive_to_read = (dive_to_read - deleted_files > 0 ? dive_to_read - deleted_files : 0);
deleted_files = 0;
return true;
}
const char *do_uemis_import(device_data_t *data)
{
const char *mountpath = data->devname;
short force_download = data->force_download;
char *newmax = NULL;
int first, start, end = -2;
uint32_t deviceidnr;
char *deviceid = NULL;
const char *result = NULL;
char *endptr;
bool success, once = true;
int match_dive_and_log = 0;
int uemis_mem_status = UEMIS_MEM_OK;
#if UEMIS_DEBUG
home = getenv("HOME");
user = getenv("LOGNAME");
#endif
uemis_info(translate("gettextFromC", "Initialise communication"));
if (!uemis_init(mountpath)) {
free(reqtxt_path);
return translate("gettextFromC", "Uemis init failed");
}
if (!uemis_get_answer(mountpath, "getDeviceId", 0, 1, &result))
goto bail;
deviceid = strdup(param_buff[0]);
deviceidnr = atoi(deviceid);
/* param_buff[0] is still valid */
if (!uemis_get_answer(mountpath, "initSession", 1, 6, &result))
goto bail;
uemis_info(translate("gettextFromC", "Start download"));
if (!uemis_get_answer(mountpath, "processSync", 0, 2, &result))
goto bail;
/* before starting the long download, check if user pressed cancel */
if (import_thread_cancelled)
goto bail;
param_buff[1] = "notempty";
newmax = uemis_get_divenr(deviceid, data->download_table, force_download);
if (verbose)
fprintf(stderr, "Uemis downloader: start looking at dive nr %s\n", newmax);
first = start = atoi(newmax);
dive_to_read = mindiveid < first ? first - mindiveid : first;
for (;;) {
#if UEMIS_DEBUG & 2
debug_round++;
#endif
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i inner loop start %d end %d newmax %s\n", start, end, newmax);
#endif
/* start at the last filled download table index */
match_dive_and_log = data->download_table->nr;
sprintf(newmax, "%d", start);
param_buff[2] = newmax;
param_buff[3] = 0;
success = uemis_get_answer(mountpath, "getDivelogs", 3, 0, &result);
uemis_mem_status = get_memory(data->download_table, UEMIS_CHECK_DETAILS);
/* first, remove any leading garbage... this needs to start with a '{' */
char *realmbuf = mbuf;
if (mbuf)
realmbuf = strchr(mbuf, '{');
if (success && realmbuf && uemis_mem_status != UEMIS_MEM_FULL) {
#if UEMIS_DEBUG & 16
do_dump_buffer_to_file(realmbuf, "Dive logs");
#endif
/* process the buffer we have assembled */
if (!process_raw_buffer(data, deviceidnr, realmbuf, &newmax, NULL)) {
/* if no dives were downloaded, mark end appropriately */
if (end == -2)
end = start - 1;
success = false;
}
if (once) {
char *t = first_object_id_val(realmbuf);
if (t && atoi(t) > start)
start = atoi(t);
free(t);
once = false;
}
/* clean up mbuf */
endptr = strstr(realmbuf, "{{{");
if (endptr)
*(endptr + 2) = '\0';
/* last object_id we parsed */
sscanf(newmax, "%d", &end);
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i after download and parse start %d end %d newmax %s progress %4.2f\n", start, end, newmax, progress_bar_fraction);
#endif
/* The way this works is that I am reading the current dive from what has been loaded during the getDiveLogs call to the UEMIS.
* As the object_id of the dive log entry and the object_id of the dive details are not necessarily the same, the match needs
* to happen based on the logfilenr.
* What the following part does is to optimize the mapping by using
* dive_to_read = the dive details entry that need to be read using the object_id
* logFileNoToFind = map the logfilenr of the dive details with the object_id = diveid from the get dive logs */
for (int i = match_dive_and_log; i < data->download_table->nr; i++) {
bool success = get_matching_dive(i, newmax, &uemis_mem_status, data, mountpath, deviceidnr);
if (!success)
break;
if (import_thread_cancelled)
break;
}
start = end;
/* Do some memory checking here */
uemis_mem_status = get_memory(data->download_table, UEMIS_CHECK_LOG);
if (uemis_mem_status != UEMIS_MEM_OK) {
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i out of memory, bailing\n");
#endif
break;
}
/* if the user clicked cancel, exit gracefully */
if (import_thread_cancelled) {
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i thread canceled, bailing\n");
#endif
break;
}
/* if we got an error or got nothing back, stop trying */
if (!success || !param_buff[3]) {
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i after download nothing found, giving up\n");
#endif
break;
}
#if UEMIS_DEBUG & 2
if (debug_round != -1)
if (debug_round-- == 0) {
fprintf(debugfile, "d_u_i debug_round is now 0, bailing\n");
goto bail;
}
#endif
} else {
/* some of the loading from the UEMIS failed at the dive log level
* if the memory status = full, we can't even load the dive spots and/or buddies.
* The loaded block of dive logs is useless and all new loaded dive logs need to
* be deleted from the download_table.
*/
if (uemis_mem_status == UEMIS_MEM_FULL)
do_delete_dives(data->download_table, match_dive_and_log);
#if UEMIS_DEBUG & 4
fprintf(debugfile, "d_u_i out of memory, bailing instead of processing\n");
#endif
break;
}
}
if (end == -2 && sscanf(newmax, "%d", &end) != 1)
end = start;
#if UEMIS_DEBUG & 2
fprintf(debugfile, "Done: read from object_id %d to %d\n", first, end);
#endif
/* Regardless on where we are with the memory situation, it's time now
* to see if we have to clean some dead bodies from our download table */
next_table_index = 0;
while (next_table_index < data->download_table->nr) {
if (data->download_table->dives[next_table_index]->hidden_by_filter)
uemis_delete_dive(data, data->download_table->dives[next_table_index]->dc.diveid);
else
next_table_index++;
}
if (uemis_mem_status != UEMIS_MEM_OK)
result = translate("gettextFromC", ERR_FS_ALMOST_FULL);
bail:
(void)uemis_get_answer(mountpath, "terminateSync", 0, 3, &result);
if (!strcmp(param_buff[0], "error")) {
if (!strcmp(param_buff[2], "Out of Memory"))
result = translate("gettextFromC", ERR_FS_FULL);
else
result = param_buff[2];
}
free(deviceid);
free(reqtxt_path);
if (!data->download_table->nr)
result = translate("gettextFromC", ERR_NO_FILES);
return result;
}
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